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Merge branch 'ew/hashmap'

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Code clean-up of the hashmap API, both users and implementation.

* ew/hashmap:
  hashmap_entry: remove first member requirement from docs
  hashmap: remove type arg from hashmap_{get,put,remove}_entry
  OFFSETOF_VAR macro to simplify hashmap iterators
  hashmap: introduce hashmap_free_entries
  hashmap: hashmap_{put,remove} return hashmap_entry *
  hashmap: use *_entry APIs for iteration
  hashmap_cmp_fn takes hashmap_entry params
  hashmap_get{,_from_hash} return "struct hashmap_entry *"
  hashmap: use *_entry APIs to wrap container_of
  hashmap_get_next returns "struct hashmap_entry *"
  introduce container_of macro
  hashmap_put takes "struct hashmap_entry *"
  hashmap_remove takes "const struct hashmap_entry *"
  hashmap_get takes "const struct hashmap_entry *"
  hashmap_add takes "struct hashmap_entry *"
  hashmap_get_next takes "const struct hashmap_entry *"
  hashmap_entry_init takes "struct hashmap_entry *"
  packfile: use hashmap_entry in delta_base_cache_entry
  coccicheck: detect hashmap_entry.hash assignment
  diff: use hashmap_entry_init on moved_entry.ent
This commit is contained in:
Junio C Hamano
2019-10-15 13:48:01 +09:00
parent d0ce4d9024 e2b5038d87
commit 5efabc7ed9
31 changed files with 667 additions and 381 deletions
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33
ref-filter.c
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@ -79,17 +79,20 @@ static struct expand_data {
} oi, oi_deref;
struct ref_to_worktree_entry {
struct hashmap_entry ent; /* must be the first member! */
struct hashmap_entry ent;
struct worktree *wt; /* key is wt->head_ref */
};
static int ref_to_worktree_map_cmpfnc(const void *unused_lookupdata,
const void *existing_hashmap_entry_to_test,
const void *key,
const struct hashmap_entry *eptr,
const struct hashmap_entry *kptr,
const void *keydata_aka_refname)
{
const struct ref_to_worktree_entry *e = existing_hashmap_entry_to_test;
const struct ref_to_worktree_entry *k = key;
const struct ref_to_worktree_entry *e, *k;
e = container_of(eptr, const struct ref_to_worktree_entry, ent);
k = container_of(kptr, const struct ref_to_worktree_entry, ent);
return strcmp(e->wt->head_ref,
keydata_aka_refname ? keydata_aka_refname : k->wt->head_ref);
}
@ -1565,9 +1568,10 @@ static void populate_worktree_map(struct hashmap *map, struct worktree **worktre
struct ref_to_worktree_entry *entry;
entry = xmalloc(sizeof(*entry));
entry->wt = worktrees[i];
hashmap_entry_init(entry, strhash(worktrees[i]->head_ref));
hashmap_entry_init(&entry->ent,
strhash(worktrees[i]->head_ref));
hashmap_add(map, entry);
hashmap_add(map, &entry->ent);
}
}
}
@ -1584,18 +1588,20 @@ static void lazy_init_worktree_map(void)
static char *get_worktree_path(const struct used_atom *atom, const struct ref_array_item *ref)
{
struct hashmap_entry entry;
struct hashmap_entry entry, *e;
struct ref_to_worktree_entry *lookup_result;
lazy_init_worktree_map();
hashmap_entry_init(&entry, strhash(ref->refname));
lookup_result = hashmap_get(&(ref_to_worktree_map.map), &entry, ref->refname);
e = hashmap_get(&(ref_to_worktree_map.map), &entry, ref->refname);
if (lookup_result)
return xstrdup(lookup_result->wt->path);
else
if (!e)
return xstrdup("");
lookup_result = container_of(e, struct ref_to_worktree_entry, ent);
return xstrdup(lookup_result->wt->path);
}
/*
@ -2166,7 +2172,8 @@ void ref_array_clear(struct ref_array *array)
used_atom_cnt = 0;
if (ref_to_worktree_map.worktrees) {
hashmap_free(&(ref_to_worktree_map.map), 1);
hashmap_free_entries(&(ref_to_worktree_map.map),
struct ref_to_worktree_entry, ent);
free_worktrees(ref_to_worktree_map.worktrees);
ref_to_worktree_map.worktrees = NULL;
}